| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH EXPERTISE | 00896430 | 01/07/2007 | 19/08/2010 | Amber |
| BURDEROP INVESTMENTS LIMITED | 02485284 | 17/04/2002 | 25/09/2012 | Dissolved |
| HALCROW ASIA LIMITED | 02458827 | 17/04/2002 | 14/11/2011 | One Red Flag |
| HALCROW GROUP LIMITED | 03415971 | 01/03/2000 | 24/02/2012 | Amber |
| HALCROW H&S LIMITED | 02288955 | 30/08/2000 | 25/09/2012 | Dissolved |
| HALCROW HOLDINGS LIMITED | 01674044 | 01/01/2001 | 30/07/2010 | One Red Flag |
| HALCROW MANAGEMENT SCIENCES LIMITED | 02770883 | 31/05/2007 | 11/05/2010 | Dissolved |
| HALCROW RURAL MANAGEMENT LIMITED | 02603242 | 05/01/1998 | 03/09/2012 | Dissolved |
| HALCROW WATER SERVICES LIMITED | 03055857 | 24/06/2005 | 08/08/2006 | Dissolved |
| HEALTH SCIENCES UNIVERSITY | 00653859 | 30/05/1998 | 22/01/1999 | Silver |
| PLUNKETT FOUNDATION | 00213235 | 18/03/1997 | 01/08/2000 | Bronze |
| PUBLIC POWER SOLUTIONS LIMITED | 06969563 | 23/02/2010 | 17/06/2013 | One Red Flag |
| ROYAL AGRICULTURAL UNIVERSITY ENTERPRISES LIMITED | 02752048 | 26/04/1996 | 05/01/1998 | Bronze |
| TRANSPARENCY INTERNATIONAL (UK) | 02903386 | 16/05/2006 | 15/05/2015 | Gold |